Automotive Engineering - March 2023 - 19

COVER STORY
way it harnesses the magnetic fields and
windings, combined with software, in a
motor to " create a very fast flow of electricity
to charge the battery. " Pullan
noted that a contemporary onboard
charger is a major bottleneck and that
by eliminating it, vehicle charging times
can be up to three times faster.
Project manager Jonathan Dooley
said that in addition to removing the
onboard charger, vehicles such as the
Lucid Air that use a 400V/800V boost
ZF's motor
uses braided
windings to increase
power density and use less raw materials.
* 800V charging speeds but compatibility
with 400V systems
* Eliminating the onboard charger reduces
vehicle weight by 30-40 kg
(66-88 lb.), increasing range
* Near-universal compatibility with all
current EV powertrain architectures.
It's also cost-effective in that it can
accomodate 800v architecture while
using less-expensive, lower-voltage
switching components available today
* Is fully bidirectional in AC and DC.
This allows direct charging of the vehicle
battery from renewable resources
such as wind and solar, while allowing
the vehicle to " give back to
the grid " at peak demand times
* The inverter uses either a split-battery
or dual-battery system that results in
better reliability. If a part of the system
fails, the vehicle remains usable
While some observers at CES who
examined eLeap's innovation may have
been skeptical, Chery Automotive isn't.
eLeap Power is under contract to deliver
15,000 integrated inverters for use
in delivery vans made by the Chinese
manufacturer.
" Overall, our system is a heck of a lot
smarter and more powerful, " said eLeap
CEO Russell Pullan. " What they see in
our technology is that it allows their vehicle
to charge faster, go further with
each charge, save costs for manufacturing
and end users, and it's greener. "
The heart of the eLeap system is in the
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Automotive Engineering - March 2023

Table of Contents for the Digital Edition of Automotive Engineering - March 2023

Automotive Engineering - March 2023 - INTRO1
Automotive Engineering - March 2023 - SPONSOR1
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Automotive Engineering - March 2023 - 1
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Automotive Engineering - March 2023 - 3A
Automotive Engineering - March 2023 - 3B
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